Note 4 - Long-term Debt (Details) (USD $)	9 Months Ended
	Jun. 30, 2013
Note 4 - Long-term Debt (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity (in Dollars)	$ 80,000,000
Discounting Rate of Company Reserves	8.00%
Collateral Securities Repledged, Delivered, or Used (in Dollars)	36,900,585
Line of Credit Facility, Interest Rate at Period End	2.43%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.25%
Secured Borrowing Base Credit Facility (in Dollars)	$ 35,000,000
Minimum [Member] | National Prime [Member]
Note 4 - Long-term Debt (Details) [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.50%
Minimum [Member] | LIBOR [Member]
Note 4 - Long-term Debt (Details) [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.00%
Maximum [Member] | National Prime [Member]
Note 4 - Long-term Debt (Details) [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.25%
Maximum [Member] | LIBOR [Member]
Note 4 - Long-term Debt (Details) [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.75%